﻿<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>

    <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1.0" />
    <title>用户登录</title>
    <link href="css/myCss.css" rel="stylesheet" />
    <script src="../Scripts/jquery-1.10.2.min.js"></script>
    <script src="media/js/bootstrap.js"></script>
    <script src="media/js/npm.js"></script>
    <link href="css/loginscc.css" rel="stylesheet" />
    <link href="css/myCss.css" rel="stylesheet" />
    <style type="text/css">
        html, body {
            margin: 0 auto;
            padding: 0;
            height: 100%;
        }

        .box {
            filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#6699FF', endColorstr='#6699FF'); /*  IE */
            background-image: linear-gradient(bottom, #6699FF 0%, #6699FF 100%);
            background-image: -o-linear-gradient(bottom, #6699FF 0%, #6699FF 100%);
            background-image: -moz-linear-gradient(bottom, #6699FF 0%, #6699FF 100%);
            background-image: -webkit-linear-gradient(bottom, #6699FF 0%, #6699FF 100%);
            margin: 0 auto;
            position: relative;
            width: 100%;
            height: 100%;
        }

        .login-box {
            width: 100%;
            max-width: 500px;
            height: 400px;
            position: absolute;
            top: 50%;
            margin-top: -200px;
            /*设置负值，为要定位子盒子的一半高度*/
        }

        @media screen and (min-width:500px) {
            .login-box {
                left: 50%;
                /*设置负值，为要定位子盒子的一半宽度*/
                margin-left: -250px;
            }
        }

        .form {
            width: 100%;
            max-width: 500px;
            height: 275px;
            margin: 25px auto 0px auto;
            padding-top: 25px;
        }

        .login-content {
            height: 300px;
            width: 100%;
            max-width: 500px;
            background-color: rgba(255, 250, 2550, .6);
            float: left;
        }


        .input-group {
            margin: 0px 0px 30px 0px !important;
        }

        .form-control,
        .input-group {
            height: 40px;
        }

        .form-group {
            margin-bottom: 0px !important;
        }

        .login-title {
            padding: 20px 10px;
            background-color: rgba(0, 0, 0, .6);
        }

            .login-title h1 {
                margin-top: 10px !important;
            }

            .login-title small {
                color: #fff;
            }

        .link p {
            line-height: 20px;
            margin-top: 30px;
        }

        .btn-sm {
            padding: 8px 24px !important;
            font-size: 16px !important;
        }
    </style>

</head>

<body style="background-color:aquamarine">
    <div class="box">
        <div class="login-box">
            <div class="login-title text-center">
                <h1><small>登录</small></h1>
            </div>
            <div class="login-content ">
                <div class="form">
                    <form action="" method="post">
                        <div class="form-group">
                            <div class="col-xs-12  ">
                                <div class="input-group">
                                    <span class="input-group-addon"><span class="glyphicon glyphicon-user"></span></span>
                                    <input type="text" id="username" name="username" class="form-control" placeholder="用户名" />
                                </div>
                            </div>
                        </div>
                        <div class="form-group">
                            <div class="col-xs-12  ">
                                <div class="input-group">
                                    <span class="input-group-addon"><span class="glyphicon glyphicon-lock"></span></span>
                                    <input type="password" id="password" name="password" class="form-control" placeholder="密码" />
                                </div>
                            </div>
                        </div>
                        <div class="form-group form-actions">
                            <div class="col-xs-4 col-xs-offset-4" style="text-align:center">
                                <button type="button" class="btn btn-sm btn-info" id="btnSubmit"><span class="glyphicon glyphicon-off"></span>登录<span class="glyphicon glyphicon-off"></span></button>
                            </div>
                        </div>
                        <div class="form-group">
                            <div class="col-xs-6 link">
                                <p class="text-center remove-margin">
                                    <small id="errorMsg"></small>
                                </p>
                            </div>
                            <div class="col-xs-6 link">
                                <p class="text-center remove-margin">
                                    <small>忘记密码？</small> <a href="javascript:void(0)"><small>找回</small></a>
                                </p>
                            </div>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
    <script type="text/javascript">
        $("#btnSubmit").click(function () {
            //ajax异步提交
            $(this).addClass('disabled'); 
            $("#errorMsg").text("正在登录，请稍候...").css("color", "Green");

            $.ajax({
                type: "POST",   //post提交方式默认是get
                url: "login.ashx",
                data: { "txtUsername": $("#username").val(), "txtPass": $("#password").val() },   //序列化
                error: function (request) {      // 设置表单提交出错
                    alert(request);
                },
                success: function (data) {
                    if (data == "登录成功！") {
                        location.href = 'example.aspx';
                    } else {
                        $("#errorMsg").text(data).css("color", "red");
                        $("#btnSubmit").removeClass('disabled');
                    }
                }
            });

        })
    </script>
</body>
</html>